Cisco 300 Series Cli Manual page 535
Stackable managed switches
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Also See for 300 Series:
- Cli manual (899 pages) ,
- Administration manual (586 pages) ,
- Quick start manual (72 pages)
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535
Command Mode
Global Configuration mode
User Guidelines
This command enables verification of the advertised Default Router Preference
value in RA messages (see RFC4191).
Configuring the minimum
allowed value. Received RA messages with a Default Router Preference value less
value
than the
argument are dropped.
Configuring the maximum
allowed value. Received RA messages with a Default Router Preference value
value
greater than the
Use the no ipv6 nd raguard router-preference command to disable verification of
the advertised Default Router Preference value in RA messages.
Use the no ipv6 nd raguard router-preference maximum command to disable
verification of the maximum boundary of the advertised Default Router Preference
value in RA messages.
Use the no ipv6 nd raguard router-preference minimum command to disable
verification of the advertised Default Router Preference value in RA messages.
Examples
Example 1—The following example defines that only a value of medium is
acceptable using two commands:
switchxxxxxx(config)#
switchxxxxxx(config)#
Example 2—The following example defines that only a value of medium is
acceptable using a single command:
switchxxxxxx(config)#
maximum medium
value
keyword and argument specifies the minimum
value
keyword and argument specifies the maximum
argument are dropped.
ipv6 nd raguard router-preference minimum medium
ipv6 nd raguard router-preference maximum medium
ipv6 nd raguard router-preference minimum medium
OL-32830-01 Command Line Interface Reference Guide
IPv6 First Hop Security
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